Salt Lake City is hotter than hell. The Church of the Latter-day Saints is about to celebrate Pioneer Day, in honor of the Saints who crossed half a continent searching for a home. And in the sun-scorched streets, PI Moroni Traveler, fallen Saint and former football star, is searching for a vicious serial killer. The murderer's calling card is a videotape of his beautiful victims-beautiful before the self-styled "Jack the Ripper" vents his savage,...